adopt transformDirection in example/js shaders: ShaderSkin and ShaderTerrain

examples/js/ShaderSkin.js

@@ -110,6 +110,7 @@ THREE.ShaderSkin = {
 
 			"varying vec3 vViewPosition;",
 
+			THREE.ShaderChunk[ "common" ],
 			THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
 			THREE.ShaderChunk[ "fog_pars_fragment" ],
 			THREE.ShaderChunk[ "bumpmap_pars_fragment" ],
@@ -230,9 +231,7 @@ THREE.ShaderSkin = {
 
 					"for( int i = 0; i < MAX_DIR_LIGHTS; i++ ) {",
 
-						"vec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );",
-
-						"vec3 dirVector = normalize( lDirection.xyz );",
+						"vec3 dirVector = transformDirection( directionalLightDirection[ i ], viewMatrix );",
 
 						"float dirDiffuseWeightFull = max( dot( normal, dirVector ), 0.0 );",
 						"float dirDiffuseWeightHalf = max( 0.5 * dot( normal, dirVector ) + 0.5, 0.0 );",
@@ -255,8 +254,7 @@ THREE.ShaderSkin = {
 
 					"for ( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {",
 
-						"vec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );",
-						"vec3 lVector = normalize( lDirection.xyz );",
+						"vec3 lVector = transformDirection( hemisphereLightDirection[ i ], viewMatrix );",
 
 						"float dotProduct = dot( normal, lVector );",
 						"float hemiDiffuseWeight = 0.5 * dotProduct + 0.5;",
@@ -430,6 +428,7 @@ THREE.ShaderSkin = {
 
 			"varying vec3 vViewPosition;",
 
+			THREE.ShaderChunk[ "common" ],
 			THREE.ShaderChunk[ "fog_pars_fragment" ],
 
 			"float fresnelReflectance( vec3 H, vec3 V, float F0 ) {",
@@ -526,9 +525,7 @@ THREE.ShaderSkin = {
 
 					"for( int i = 0; i < MAX_DIR_LIGHTS; i++ ) {",
 
-						"vec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );",
-
-						"vec3 dirVector = normalize( lDirection.xyz );",
+						"vec3 dirVector = transformDirection( directionalLightDirection[ i ], viewMatrix );",
 
 						"float dirDiffuseWeight = max( dot( normal, dirVector ), 0.0 );",
 

examples/js/ShaderTerrain.js

@@ -113,6 +113,7 @@ THREE.ShaderTerrain = {
 
 			"varying vec3 vViewPosition;",
 
+			THREE.ShaderChunk[ "common" ],
 			THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
 			THREE.ShaderChunk[ "fog_pars_fragment" ],
 
@@ -204,9 +205,7 @@ THREE.ShaderTerrain = {
 
 					"for( int i = 0; i < MAX_DIR_LIGHTS; i++ ) {",
 
-						"vec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );",
-
-						"vec3 dirVector = normalize( lDirection.xyz );",
+						"vec3 dirVector = transformDirection( directionalLightDirection[ i ], viewMatrix );",
 						"vec3 dirHalfVector = normalize( dirVector + viewPosition );",
 
 						"float dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );",
@@ -230,8 +229,7 @@ THREE.ShaderTerrain = {
 
 					"for( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {",
 
-						"vec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );",
-						"vec3 lVector = normalize( lDirection.xyz );",
+						"vec3 lVector = transformDirection( hemisphereLightDirection[ i ], viewMatrix );",
 
 						// diffuse